US 9,807,945 B2
Illumination apparatus used for plant cultivation
Yoshihisa Usami, Ashigarakami-gun (JP); and Mitsuyoshi Ichihashi, Ashigarakami-gun (JP)
Assigned to FUJIFILM Corporation, Tokyo (JP)
Filed by FUJIFILM Corporation, Tokyo (JP)
Filed on Dec. 19, 2014, as Appl. No. 14/577,120.
Application 14/577,120 is a continuation of application No. PCT/JP2013/066783, filed on Jun. 19, 2013.
Claims priority of application No. 2012-138404 (JP), filed on Jun. 20, 2012.
Prior Publication US 2015/0101246 A1, Apr. 16, 2015
Int. Cl. A01G 7/04 (2006.01); F21V 9/14 (2006.01)
CPC A01G 7/045 (2013.01) [F21V 9/14 (2013.01); Y02P 60/146 (2015.11)] 9 Claims
OG exemplary drawing
1. An illumination apparatus for plant cultivation,
comprising a unit configured to change light in any wavelength region of 300 nm or higher and 600 nm or lower to light in the wavelength region comprising dominantly a right-circularly polarized light component, and
the illumination apparatus emitting substantially non-polarized light in at least a part of wavelengths of 601 nm to 800 nm.